{"coeffs": [-4.52537538266294e-06, 0.00010245982029928065, 0.48795515707937015, 0.1924947310354822], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.664477894026942e-07, 3.8915730340319225e-06, 0.012677890620034937, 0.007879643221269416], "covariance": [[5.874422138802767e-13, -2.4730232633943953e-12, -7.2675279414954925e-09, -5.64603824679609e-09], [-2.4730232633943896e-12, 1.514434067920442e-11, 4.878535876092608e-08, 2.9387081089761772e-08], [-7.2675279414954685e-09, 4.8785358760926044e-08, 0.00016072891057356984, 9.190245866935807e-05], [-5.646038246796088e-09, 2.9387081089761802e-08, 9.190245866935822e-05, 6.208877729449707e-05]]}